JP7075241B2 - Beautiful nail set and beautiful nail method - Google Patents

Description

The present invention relates to a nail-beautifying agent set for imparting design to nails, and a nail-beautifying method.

Conventionally, as a material for decorating nails, a so-called polish (manicure), as shown in Patent Document 1, is applied to nails with a solvent-based or water-based composition mixed with pigments, resins, etc. and dried to cure the nails. ), So-called gel nails, etc., in which a solvent-free resin mixed with a pigment is applied to the nail and cured by UV (ultraviolet) light are known. In Patent Document 1, an aluminum powder having a brilliant property is used in order to further exert a decorative effect.

Japanese Unexamined Patent Publication No. 2004-67532

However, since the polish and gel nails are coated with a highly viscous raw material liquid by a brush, uneven coating is likely to occur, which leads to deterioration of design. Furthermore, when you want to add a color gradation, you need to apply the same color over the part where you want to darken the color, and it takes a lot of time and effort because you have to repeat application and drying.
In addition, when applying to the nails, the raw material liquid may squeeze out from the nails. If this protrusion occurs, the design will deteriorate, so it will be necessary to remove (peeling) the entire product with nail polish remover and apply it again. In this case, it takes time and effort, and the solvent is applied to the nail many times, which increases the burden on the nail and may lead to the cause of double nails.

Therefore, the present invention makes it possible to apply the nails cleanly without causing uneven coating when imparting design to the nails, and to easily wipe off only the protruding portion even if the protrusions from the nails occur. The purpose is.

In order to achieve the above object, the invention according to the present application has been found. The gist of this invention is as follows.
[1] A nail polish set comprising at least a powder-containing composition that is directly applied to the nail and a liquid fixing composition that is solidified and fixed to the nail by impregnating or covering the powder-containing composition. A nail polish set in which the powder-containing composition contains at least a design powder and a resin powder, and the liquid fixing composition contains at least a binder component and an organic solvent.
[2] Pure water when the powder-containing composition is applied onto a PET film so as to be 2 g / m ² and the contact angle of the surface of the powder-containing composition after application is measured by the θ / 2 method. The beautiful nail agent set according to [1], wherein the contact angle with respect to the nail is 135 ° or less.
[3] In [1] or [2], which contains at least nitrocellulose as a binder component of the liquid fixing composition and contains the following (1) and (2) as an organic solvent of the liquid fixing composition. The listed beauty nail set.
(1) At least one selected from acetates, lactic acid esters, ketones and hydrocarbons.
(2) At least one alcohol selected from alcohols having 1 to 4 carbon atoms.
[4] The nail polish set according to any one of [1] to [3], which comprises a metal pigment that develops an interference color as a pigment component of the powder-containing composition.
[5] A powder-containing composition containing at least a design powder and a resin powder is directly applied to the surface of the nail, and then a liquid fixing composition containing at least a binder component and an organic solvent is applied to the surface of the nail. A method for beautiful nails, in which the surface of a nail is decorated by impregnating the applied powder-containing composition or by applying the powder-containing composition so as to cover it and solidifying it.
[6] The beautiful nail method according to [5], wherein the powder-containing composition is applied to the nail surface by using a coating tool using a flexible porous material as a coating material.

Since the predetermined powder-containing composition used in the present invention exhibits designability and the predetermined liquid fixing composition solidifies and fixes the powder-containing composition on the nail, the powder-containing composition is applied to the nail. At this stage, the powder-containing composition has not solidified and fixed on the nail. Therefore, even if coating unevenness occurs when the powder-containing composition is applied to the nail, it is easy to correct it, and as a result, coating unevenness can be suppressed. Further, since the coating amount of the powder-containing composition can be adjusted, it is possible to apply the powder-containing composition in a gradation. Further, even if the powder-containing composition protrudes from the nail, the powder-containing composition is not impregnated with the liquid fixing composition or adhered to the nail before application, so that no light-removing liquid is used. However, it can be easily wiped off and the adverse effects on the nails can be suppressed.

Further, when the wettability of the powder-containing composition, specifically, the contact angle by a specific measuring method is set to a predetermined value or less, the liquid fixing composition is impregnated into the powder-containing composition. It becomes easier and can be more reliably fixed to the nail.
Furthermore, when the powder-containing composition is applied to the nail, if a coating material made of a flexible porous material is used, it becomes possible to control the application amount of the powder-containing composition, and the coating can be performed. It is possible to reduce unevenness and apply evenly, and by partially adjusting the amount of application as appropriate, it becomes easy to apply to a gradation with one application.

Hereinafter, embodiments of the present invention will be described in detail.
The nail polish set according to the present invention comprises at least a powder-containing composition that is directly applied to the nail and a liquid fixing composition that is solidified and fixed to the nail by impregnating or covering the powder-containing composition.

[Powder-containing composition]
The powder-containing composition is a composition containing at least a design powder, a resin powder, and an oily component, and the main component thereof is composed of powder. In this respect, it is different from general nail polish and gel nails containing powders such as pigments containing an organic solvent or a liquid resin as a main component. Further, the design powder contained in the powder-containing composition is a material that expresses designability when applied and solidified on a nail, and exhibits colorants such as pigments, inorganic particles, organic particles, and brilliance. Examples include bright materials to be used.

<Powder for design>
The design powder has a role of imparting color to a film (hereinafter, may be simply referred to as “film”) obtained by applying the beauty nail preparation set according to the present invention to the nail and imparting designability. Have. Examples of the design powder include organic pigments, inorganic pigments, dyes, and brilliant pigments, but the powder is not limited to these, and other colors can be applied as long as they can be applied to the human body. Materials that represent can be used.

(Organic pigments, inorganic pigments, dyes)
Examples of such organic pigments are Red 201, Red 202, Red 204, Red 205, Red 220, Red 226, Red 228, Red 305, Orange 203, Orange 204, Yellow 205, Yellow 401 and Blue 404, as well as Red 3, Red 104, Red 106, Red 227, Red 230, Red 401, Red 505, Orange 205, Yellow 4, Examples thereof include Yellow No. 5, Yellow No. 202, Yellow No. 203, Green No. 3 or Blue No. 1, and these organic pigments such as zirconium lake, barium lake, and aluminum lake.

Examples of the inorganic pigments include silica, talc, mica, ceramic, clay mineral, zinc flower, alumina, magnesium oxide, aluminum hydroxide, magnesium hydroxide, calcium carbonate, magnesium carbonate, barium sulfate, calcium sulfate, and sulfuric acid. Examples thereof include strontium, zeolite, calcium phosphate, glass powder, corn, ultramarine, red iron oxide, yellow iron oxide, black iron oxide, titanium oxide, zinc oxide, carbon black and the like. These may be subjected to surface treatment such as fluorine treatment or silicone treatment. In particular, the surface treatment such as fluorine treatment or silicone treatment makes it hydrophobic (that is, lipophilic), and the permeability of the liquid fixing composition is improved as compared with the case of no treatment. It is preferable to use one having an average particle diameter in the range of 1 μm or more and 140 μm or less because the liquid fixing composition has good permeability and the hue becomes clearer. Further, preferably, this range is preferably 30 μm or more, preferably 35 μm or more, more preferably 40 μm or more, still more preferably 45 μm or more. It may be smaller than 30 μm, but it may be inefficient due to an increase in the amount used. On the other hand, the upper limit of the average particle size is preferably 140 μm, preferably 130 μm, and even more preferably 120 μm. It may be larger than 120 μm, but it may affect the development of design.

Further, fine-grained inorganic pigments that have been separately subjected to surface treatment such as fluorine treatment or silicone treatment can also be used. In this case, since the inorganic pigment itself is in the form of fine particles, when the powder-containing composition is applied to the nails, the gaps between the other large particle size design powders are appropriately filled, so that the hue is clarified and the inorganic pigment is used. Since the surface of the pigment is surface-treated such as fluorine treatment or silicone treatment, it becomes hydrophobic (that is, it becomes lipophilic), and even if it is in the form of fine particles, it affects the permeability of the liquid fixing composition. It becomes difficult to give. It should be noted that the fine particle-like inorganic pigment having an average primary particle diameter in the range of 5 to 100 nm is preferable because the above-mentioned effect is easily exhibited.

Further examples of dyes include Sudan Red, D & C Red 17, D & C Green 6, β-carotene, soybean oil, Sudan Brown, D & C Yellow 11, D & C Violet 2, D & C Orange 5, Quinoline Yellow, Anatou, Examples thereof include fat-soluble dyes such as bromic acid, and water-soluble dyes such as beet juice, methylene blue, and caramel.

(Glowing pigment)
The brilliant pigment can improve the design such as giving a brilliant feeling, and improve the concealing property of the nail surface. Examples of the brilliant pigment include pearl pigments, lame pigments having a lame feeling, and metal pigments.
The pearl pigment is not limited, but is limited to mica titanium, red iron oxide coated mica, red iron oxide coated mica titanium, carmine coated mica titanium, navy blue coated mica titanium, titanium oxide coated synthetic gold mica, and red iron oxide coated synthetic gold mica. , Titanium oxide-coated glass flakes, titanium oxide-coated alumina flakes, titanium oxide-coated silica flakes, silica-coated aluminum, iron oxide / silica-coated aluminum, and silica-coated iron.
The lame pigment is not limited, but is limited to polyethylene terephthalate / polymethylmethacrylate laminated film powder, polyethylene terephthalate / polyolefin laminated film powder, epoxy resin-coated aluminum vapor-deposited polyethylene terephthalate, aluminum-deposited polyethylene terephthalate, and urethane resin-coated aluminum. Examples include vaporized polyethylene terephthalate.

The average particle size of the pearl pigment or the lame pigment is not particularly limited, but is preferably 5 μm or more, more preferably 20 μm or more, still more preferably 40 μm or more. If it is smaller than 5 μm, sufficient shine may not occur when applied to nails. On the other hand, the upper limit of the average particle size is preferably 1000 μm, more preferably 500 μm, and even more preferably 300 μm. If it is larger than 1000 μm, it may easily come off from the nail.

As an example of the metal pigment, aluminum, copper, zinc, titanium, iron, nickel, chromium and alloys thereof, metal-coated flake-shaped glass and the like can be preferably exemplified, and among these, the aluminum pigment is particularly preferably used in terms of design. Be done. Further, a resin layer or an inorganic substance layer may be formed on the surface of these metal pigments. Further, when an aluminum pigment is used, a coated aluminum pigment (also referred to as a colored metal pigment in the present invention) which forms an amorphous silicon oxide film layer on the surface of the aluminum pigment and further superimposes metal particles to exhibit an interference color is also used. be able to.

When a metal pigment is used, a preferable average particle size in the range of 2 to 300 μm can be exemplified. When the average particle size is 2 μm or more, a good finished appearance and good hiding power can be given to the film, and when the average particle size is 300 μm or less, deterioration of the finished appearance such as the metal pigment protruding from the film can be suppressed. It is more preferable that the average particle size is in the range of 5 to 100 μm.

The preferred thickness (average thickness) of the metal pigment is preferably 0.01 μm or more, preferably 0.02 μm or more. When the thickness is 0.01 μm or more, it is possible to maintain a good finished appearance. On the other hand, the upper limit of the thickness is preferably 5 μm, preferably 1 μm. If it is 5 μm or less, it tends to be possible to obtain a metal pigment that gives a good design property to the film.
Such a thickness can be measured by the water surface diffusion area method (in the case of an aluminum pigment, if the water surface diffusion area = Scm ² / g, the thickness = 4000 / Sμm).

The metal pigment can be obtained, for example, as an atomizing powder, a powder obtained by pulverizing metal flakes by a wet ball mill method (that is, a hole method) or a dry ball mill method. Alternatively, it can also be obtained by depositing a metal thin film on a film or the like, and then peeling and pulverizing the film. In addition, metal-coated flake-shaped glass and other metal-coated pigments can be obtained by using methods such as electroless plating, vapor deposition, and sputtering on flake-shaped or granular inorganic substrates such as flake-shaped glass, mica, alumina, silica, and titanium oxide. It is obtained by forming simple substances or alloys such as Ag, Cu, Ni, Fe, Co, Cr and Sn in layers.

The average particle size of the design powder in the present specification can be obtained by calculating the particle size with a cumulative degree of 50% in the volume cumulative particle size distribution measured by the laser diffraction method. Further, the average primary particle diameter can be obtained by calculating the average value of 50 particles randomly extracted by image analysis using a transmission electron microscope.

(Content ratio of design powder)
The content of the design powder in the powder-containing composition in the present invention is not particularly limited as long as the effect of the present invention can be obtained, but is preferably 5% by weight or more and 90% by weight or less, and further. It is preferably 20% by weight or more and 85% by weight or less, and more preferably 60% by weight or more and 80% by weight or less. Within this range, the desired design can be imparted to the film.

(Content ratio of surface-treated inorganic pigments such as fluorine treatment and silicone treatment)
The content of the inorganic pigment subjected to surface treatment such as fluorine treatment or silicone treatment in the powder-containing composition in the present invention is not particularly limited, but the content is 10% by weight or more, more preferably 60% by weight or more. When it is 73% by weight or less, the permeability of the powder-containing composition of the liquid fixing composition to the liquid fixing composition becomes suitable. In the present invention, the balance between the permeability of the powder-containing composition and the liquid fixing composition is important in relation to the effect of the present invention. If the content of the inorganic pigment subjected to surface treatment such as fluorine treatment or silicone treatment in the powder-containing composition is 73% by weight or less, the contact angle described later becomes 135 ° or less, and the powder-containing composition can be treated. Since the permeability of the liquid fixing composition becomes suitable, the adhesive force of the film formed on the nail to the nail is sufficiently exhibited. On the other hand, when it exceeds 73% by weight, the permeability of the liquid fixing composition to the powder-containing composition is lowered, so that the adhesive force of the film to the nail is lowered. Further, if it is less than 10% by weight, the contact angle described later tends to be less than 50 °, and if it is less than 60% by weight, the contact angle described later tends to be less than 100 °. In that case, it is liquid. When the fixing composition is applied, the powder-containing composition placed on the nail may be fluidized due to the influence of the surface tension of the liquid fixing composition, and the design may be deteriorated.
Further, when the powder-containing composition is applied to the nail, it does not spread smoothly on the nail, and the design may be deteriorated.
As the design powder mentioned above, only one kind may be used or two or more kinds may be used in combination depending on the desired design property.

<Resin powder>
The resin powder is used as an auxiliary material for the design powder. By containing the resin powder, smoothness at the time of application of the powder-containing composition is imparted, flexibility is imparted to the formed film, and the permeability of the liquid fixing composition is adjusted. be able to. Examples of this resin powder include acrylic or methacrylic resins such as nylon resin, polymethylmethacrylate, and acrylonitrile-methacrylic acid copolymer, vinylidene chloride-methacrylic acid copolymer, urethane, polyethylene, polystyrene, and organopolysiloxane elastomer. Examples thereof include powders such as silicone resin, polymethylsilsesquioxane, polytetrafluoroethylene, wool, silk, crystalline cellulose, magnesium stearate, zinc stearate, N-acyllysine, and spherical or non-spherical globules. These resin powders may be hydrophobized such as fluorine-treated, or may be coated with a coating material such as fine particle titanium oxide or fluorine-treated fine particle titanium oxide.
Only one kind of this resin powder may be used, or two or more kinds may be used in combination. Further, the average particle size is not particularly limited, but those in the range of 5 μm or more and 100 μm or less can be used.

The content of the resin powder in the powder-containing composition is not particularly limited as long as the effect of the present invention can be obtained, but is preferably 2% by weight or more and 30% by weight or less, and 10% by weight or more and 25.
More preferably, it is by weight% or less. The content ratio of the resin powder to the design powder is not particularly limited as long as the effect of the present invention can be obtained, but is preferably 0.023 times or more, more preferably 0.1 times or more. It is preferable, 0.15 times or more is more preferable, 0.2 times or more is more preferable, and 0.3 times or more is further preferable. On the other hand, the upper limit of the content ratio is preferably 6.0 times, preferably 1.0 times, and more preferably 0.35 times. If it deviates from these ranges, it may affect the smoothness when applied to the nail, the permeability when the liquid fixing composition is applied, or may not exhibit high designability.

<Oil component>
The oily component has a role as a binder for the design powder and the resin powder, and has a role of temporarily holding the powder-containing composition on the nail when it is applied to the nail. The main functions of the oily component include moldability of the powder-containing composition, temporary adhesion to nails, bonding of powder particles to each other, and the like, making it easy to use the liquid fixing composition in the next step. can do. Further, it may exhibit other functions such as color development and ultraviolet absorption of the coloring agent.

Examples of the oily component include those normally used in cosmetics. For example, regardless of the origin of animal oils, vegetable oils, synthetic oils, etc., and the properties of solid oils, semi-solid oils, liquid oils, volatile oils, etc., hydrocarbons, fats and oils, waxes, hardened oils, ester oils, etc. , Fatty oils, higher alcohols, silicone oils, fluorooils, lanolin derivatives, squalane, vaseline and the like can be used.

The content of the oily component is preferably 1% by weight or more, more preferably 3% by weight or more, still more preferably 4% by weight or more, based on the powder-containing composition. On the other hand, the upper limit of the content is preferably 25% by weight or less, more preferably 10% by weight or less, still more preferably 7% by weight, still more preferably 5% by weight. Within this range, the moldability and the primary retention to the nail at the time of application are improved. In addition, it is possible to improve the goodness of coloring while ensuring an appropriate disintegration property that is not excessive, and it is also possible to avoid dusting and the like. Furthermore, unevenness, cakeing of cosmetics, twisting of the cosmetic film, etc. are prevented. Further, the content of the oily component is preferably within the above range from the viewpoint of the balance with the blending amount of the coloring agent.

(Other ingredients)
In addition to the above-mentioned components, a plasticizer, a sedimentation inhibitor, or the like may be added to the powder-containing composition according to the present invention, if necessary. Further, in addition to these, resins other than the above, fragrances, chemicals, moisturizers, ultraviolet absorbers, matting agents, fillers, surfactants, metal soaps and the like can be blended.

(Plasticizer)
The plasticizer can impart flexibility to the film of the nail polish set applied to the nail. Examples of the plasticizer include benzoic acid esters (eg, benzoic acid sucrose), citrate esters (eg, triethyl citrate), camphor, phthalates, or polyhydric alcohols (eg, 1,3-butanediol). Can be done.
The content of this plasticizer in the powder-containing composition can be appropriately determined depending on the intended purpose, but is preferably about 1 to 10% by weight.

(Wetability)
The liquid fixing composition preferably has a wettability within a predetermined range, specifically, a contact angle. The contact angle is such that the powder-containing composition is applied onto a PET film (biaxially stretched; the same applies in the present specification) so as to be 2 g / m ² , and the surface of the powder-containing composition after application is applied. The contact angle with respect to pure water when the contact angle of is measured by the θ / 2 method.

This contact angle is preferably 135 ° or less. The lower limit of the contact angle is not particularly limited, but is more preferably 50 ° or more, and even more preferably 100 ° or more. If it is larger than 135 °, it becomes difficult for the liquid fixing composition to permeate into the powder-containing composition, and there is a possibility that the adhesion of the film to the nail when applied to the nail to form a film becomes insufficient. be.
Since this wettability affects the individual materials used in the nail polish set according to the present invention, it is necessary to consider each material when examining the wettability.

[Liquid fixing composition]
The liquid fixing composition is a composition that impregnates or coats the powder-containing composition to solidify and fix it on the nail, and contains at least a binder component and an organic solvent.

(Binder component)
The binder component is a component that solidifies and fixes the powder-containing composition on the nail, and for example, a cellulosic resin such as nitrocellulose, cellulose acetate, or cellulose butyrate or a resin other than the cellulosic resin can be used. As the cellulosic resin and other resins, only one of them may be used, or these may be used in combination. Among these, it is preferable to use nitrocellulose in terms of the dryness of the liquid fixing composition and the smoothness of the film.
The nitrocellulose is a cellulose derivative obtained by adding cellulose to a mixed solution of concentrated nitric acid and concentrated sulfuric acid, and its properties differ depending on the amount of nitrogen.
The nitrocellulose used in the present invention is classified according to the nitrogen content, and is specified in JIS K-6703 as H type: 11.5 to 12.2% and L type: 10.7 to 11.5%. Both types can be used.

Examples of the resin other than the cellulose-based resin include acrylic resins, alkyd resins, toluene sulfonamide-based resins, shoe-closed resins, and the like, and specifically, acrylic acid ester / methacrylic acid ester copolymers and phthalic acids. Examples thereof include alkyd resin, isophthalic acid alkyd resin, succinic acid alkyd resin, toluene sulfonamide / formaldehyde resin, toluene sulfonamide / epoxy resin, shoe rose benzoate, shoe rose acetate isobutyrate and the like.
Only one kind of these may be used, or two or more kinds may be used.

(Organic solvent)
Examples of the organic solvent include acetic acid ester-based, lactic acid ester-based, ketones, hydrocarbon-based, and alcohols. Specific examples thereof include methyl acetate, ethyl acetate, propyl acetate, isopropyl acetate, butyl acetate, isobutyl acetate, amyl acetate, isoamyl acetate, ethyl lactate, butyl lactate, acetone, methyl ethyl ketone, methyl isobutyl ketone, toluene, xylene and the like. , Only one kind of these organic solvents may be used, or two or more kinds may be used. Of these, ethyl acetate and butyl acetate, which are highly volatile and have excellent solubility of nitrocellulose, are preferably used.

Examples of the alcohols include alcohols having 1 to 4 carbon atoms, that is, methanol, ethanol, n-propanol, n-butanol, isobutanol, etc. Among them, ethanol which has less odor and irritation and is easily available. It is preferable to use.

(Mixing ratio of liquid fixing composition)
The content ratio of the binder component in the liquid fixing composition is preferably 5% by weight or more, preferably 15% by weight or more, and more preferably 20% by weight or more. If it is less than 5% by weight, the adhesion to the nail may be insufficient. On the other hand, the upper limit of the content ratio is preferably 40% by weight, preferably 35% by weight, and more preferably 30% by weight. If it is more than 40% by weight, the penetration into the powder-containing composition may be insufficient.

The content of the organic solvent in the liquid fixing composition is preferably 60% by weight or more, preferably 65% by weight or more. If it is less than 60% by weight, the solubility of the binder component in the organic solvent may be insufficient, and the penetration of the powder-containing composition may be insufficient. On the other hand, the upper limit of the content ratio is preferably 95% by weight or less, preferably 85% by weight or less, and more preferably 70% by weight or less. If it is more than 95% by weight, the amount of the binder component permeating into the powder-containing composition may be insufficient and the adhesion may be lowered.

(Other ingredients)
In addition to the above-mentioned components, a fragrance, a plasticizer, an ultraviolet absorber, or the like may be added to the liquid fixing composition, if necessary.
The ultraviolet absorber can be added for the purpose of preventing yellowing of the nail polish set according to the present invention and fading and discoloration of the dye.

Examples of the ultraviolet absorber include 2,4-dihydroxybenzophenone, 2,2'4,4'-tetrahydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, and 2-hydroxy-4-methoxybenzophenone-5-sulfone. Acids, benzophenones such as 2-hydroxy-4-methoxybenzophenone-5-sodium sulfonate, 2,2'-dihydroxy-4,4'-dimethoxybenzophenone, 2- (2-hydroxy-5-methylphenyl) benzotriazole , 4-tert-Butyl-4'-Dibenzoylmethane such as methoxydibenzoylmethane, ethylhexyl paramethoxysilicate and the like, and these can be used alone or in combination of two or more.
Among these UV absorbers, particularly effective ones include 2-hydroxy-4-methoxybenzophenone and ethylhexyl paramethoxycinnamate.

These ultraviolet absorbers are preferably used in the range of 0.01 to 0.5% by weight in the liquid fixing composition. If it is less than 0.01% by weight, a sufficient effect of preventing dye fading may not be obtained, and if it exceeds 0.5% by weight, yellowing may not be prevented.

In addition, examples of the plasticizer include benzoic acid esters, camphor, citric acid esters, and the like. This plasticizer can be used for the purpose of preventing cracking of the nitrocellulose film. Specific examples of this plasticizer include sucrose benzoate, acetyltriethyl camphorate, acetyltributyl citrate and the like, in the range of 1.0 to 10.0% by weight in the liquid fixing composition. It is preferable to use it.
If the amount of this plasticizer is less than 1.0% by weight, it may not be possible to prevent sufficient cracking of the film, and if it exceeds 10.0% by weight, the drying of the film will be delayed and a film having sufficient strength will be obtained. May not be possible.

[How to use the beauty nail set]
Next, a nail-beautifying method for making nails look beautiful using the nail-beautifying agent set according to the present invention will be described.
First, the powder-containing composition containing at least the above-mentioned design powder and resin powder is directly applied to the surface of the nail. The powder-containing composition may be applied directly with the pad of the user's finger or directly with a cosmetic brush, but in order to suppress stains on the finger and suppress uneven coating, the powder-containing composition may be applied directly. When a coating tool using a flexible porous material such as urethane foam resin is used as the coating material, it becomes easy to uniformly coat the powder-containing composition.
In this method of application, the powder-containing composition may be uniformly applied to the entire nail, or the powder-containing composition may be applied from one side of the nail to the other so that the amount of application is changed so that the color becomes a gradation. ..
In addition, if it protrudes from the nail during application, it can be applied to a desired range by wiping it off as appropriate.

Then, the liquid fixing composition containing at least the binder component and the organic solvent is impregnated into the powder-containing composition applied to the surface of the nail, or is applied so as to cover the powder-containing composition. Next, this liquid fixing composition is solidified by natural drying or the like. As a result, a film can be formed on the surface of the nail to decorate it.
As an example of the above-mentioned applicator, an applicator having an elliptical coating portion formed of a flexible porous material at the tip of a shaft portion formed of plastic into a rod shape may be given as an example. However, the present invention is not limited to this aspect.

Next, the present invention will be described in more detail by way of examples. The present invention is not limited to these examples.

<Evaluation method>
[Contact angle]
The powder-containing composition of the example was applied onto a PET film at a rate of 2 g / m ² , and 1 μl (microliter) of pure water droplets were brought into contact with the surface of the coated powder-containing composition for 10 seconds. The subsequent contact angle was measured using the following equipment and method of use. It was measured 10 times and the average value was taken. The measurement atmosphere is a temperature of 25 ° C. and a humidity of 40%.
The equipment used and the method of use are as follows.
-Equipment: CA-X150: Kyowa Surface Chemistry Co., Ltd.-Software: FAMAS ver. 2.2.0
・ Method: Sessile drop method ・ Method: θ / 2 method

[Evaluation test]
The powder-containing composition of each example is directly applied to the surface of the nail of the right thumb of the subject so that the application amount is 2 g / m ² . Next, the following liquid fixing composition is applied so as to impregnate the powder-containing composition applied to the surface of the nail so that the coating amount (weight after drying) is 3 g / m ² for 10 minutes. , Dryed and solidified to form a film (that is, the film weighs 5 g / m ² after drying). In the comparative example, the conventional liquid nail polish was directly applied to the surface of the nail of the right thumb of the subject so that the application amount (weight after drying) was 5 g / m ² , and dried and solidified to form a film. ..
Then, the following evaluation was performed.

1. 1. Adhesion evaluation The nails of the right thumbs of 10 subjects were formed with a film on the surface of the nails by the method of the evaluation test, and cellophane tape (Nichiban's "cellotape 15 mm width") was applied to the surface of the nails on which the film was formed. After 10 minutes, it was peeled off.
The degree of peeling was visually evaluated and an average value was taken. The evaluation criteria are as follows.
3 points ... It didn't come off at all.
2 points ... The peeled area was less than half.
1 point ... The peeled area was more than half.
0 points ... All peeled off.
The tip used for coating is an eye shadow tip short single 6P (trade name) (manufactured by Kai Corporation: HC-3717) using a porous material.

2. 2. Appearance evaluation The nails of the right thumbs of 10 subjects were formed with a film on the surface of the nails by the method of the evaluation test, and the presence or absence of color unevenness was confirmed, and the following average was taken.
3 points ... No color unevenness.
1 point ... There is some color unevenness.
0 points ... Color unevenness.

<Raw materials>
[Powder-containing composition]
(Powder for design)
-Inorganic pigment 1 ... Fluorine-treated fine particle titanium oxide, manufactured by TAYCA Corporation: MT-500B ,: primary particle size: 35 nm, fine particle titanium oxide (C ₆ F ₁₃ CH ₂ CH ₂ O) PO (OH) ₂₃ weight Covered with%.
-Inorganic pigment 2 ... Fluorine-treated fine particle titanium oxide-coated nylon powder, manufactured by KOBO Dispatec Co., Ltd .: CM3K50XZ4J, average particle diameter: 10 μm, nylon powder coated with inorganic pigment 1.
-Colored metal pigment 1 ... Interfering color aluminum powder, manufactured by Toyo Aluminum Co., Ltd .: COSMICOLOR CHERRY PINK, average particle size: 20 μm, amorphous silicon oxide film layer and metal particle layer formed on the surface of the aluminum pigment.
-Inorganic pigment 3 ... Fluorinated plate-shaped barium sulfate ... Made by Sakai Chemical Industry Co., Ltd .: HG-LFP
-Inorganic pigment 4 ... Fluorine-treated mica ... Made by Daito Kasei Kogyo Co., Ltd .: FHS-3A MICA Y-2300
-Inorganic pigment 5 ... Fluorine-treated titanium oxide ... Made by Daito Kasei Kogyo Co., Ltd .: FHS-3A TIO2 CR-50
-Inorganic pigment 6 ... Silicone-treated mica ... Made by Daito Kasei Kogyo Co., Ltd .: SIS MICA SX
-Inorganic pigment 7 ... Silicone-treated talc ... Daito Kasei Kogyo Co., Ltd .: SIS TALC S

(Resin powder)
-Resin powder 1 ... Fluorine-treated fine particle titanium oxide-coated nylon powder, manufactured by Ube Kosan Co., Ltd .: POMP605
-Resin powder 2 ... Acrylic resin-shaped small ball, manufactured by Matsumoto Yushi Pharmaceutical Co., Ltd .: M-100

(Oil component)
・ Oil component 1 ... Squalene, manufactured by SOPHIM: Phytosqualene ・ Oil component 2 ... Vaseline, manufactured by Nippon Fine Chemical Co., Ltd .: White Vaseline (surfactant)
Surfactant 1 ... Glycerin stearate, manufactured by Nippon Emulsion Co., Ltd .: EMALEX GMS-195

[Liquid fixing composition]
Each of the following compounds was mixed to produce a liquid fixing composition.
-Nitrocellulose (H1 / 4) ... 14 parts by weight-Butyl acetate ... 34 parts by weight-Ethyl acetate ... 35 parts by weight-Sulose benzoate ... 3 parts by weight-Acrylic resin (methyl acrylate-methyl methacrylate copolymer) Butyl acetate solution (solid content: 75% by weight) ... 3 parts by weight, acetyltributyl citrate ... 5 parts by weight, methanol ... 6 parts by weight

(Examples 1 and 2, Comparative Examples 1 and 2 )
Each component shown in Table 1 was mixed to prepare a powder-containing composition.
Each of the above evaluations was performed using this powder-containing composition. The results are shown in Table 1.

(Comparative Example 3 )
Manicure (manufactured by Technolab Co., Ltd .: Anna Sui Nail Color M801) was applied to the nail of the right thumb of the subject, and each of the above evaluations was performed. The results are shown in Table 1. Since the powder-containing composition is not used, the contact angle is not measured.

(result)
The appearance evaluation of both Examples 1 and 2 and Comparative Examples 1 and 2 was much better than that of the conventional liquid nail polish of Comparative Example 3 . That is, it was found that the occurrence of uneven coating can be suppressed by using the nail polish set of the present invention as compared with the conventional liquid nail polish.
Examining the evaluation results of Examples 1 and 2 and Comparative Examples 1 and 2 , the ratios of the surface-treated inorganic pigments such as fluorine-treated and silicone-treated contained in the powder-containing composition were compared with respect to Examples 1 and 2. It was found that when the size was smaller than that of Example 1 and Comparative Example 2, the adhesion evaluation of Example 1 and Example 2 was higher than that of Comparative Example 1 and Comparative Example 2 . When the contact angles of Examples 1 and 2 and Comparative Examples 1 and 2 were measured, the contact angles of Examples 1 and 2 were 113 ° and 135 °, respectively, and 140 ° of Comparative Example 1 and Comparative Example 2 , respectively. Was also found to be smaller.
In particular, in Example 1, the adhesion evaluation and the appearance evaluation were the best results in each Example.
Although it is not clear why Examples 1 and 2 gave better adhesion evaluation and appearance evaluation than Comparative Example 1 and Comparative Example 2 , Example 1 and Example 2 are more powdery. It is presumed that the balance between the permeability of the body-containing composition and the liquid fixing composition is better than that of Comparative Example 1 and Comparative Example 2 in relation to the contact angle.
In the case of Comparative Example 3 using a commercially available polish (manicure), although the adhesion evaluation was good, the appearance evaluation was not preferable.

Claims (5)

It is a beautiful nail preparation set consisting of at least a powder-containing composition that is directly applied to the nail and a liquid fixing composition that is solidified and fixed to the nail by impregnating or covering the powder-containing composition.
The powder-containing composition contains at least a design powder and a resin powder, and the powder-containing composition contains at least a design powder and a resin powder.
The design powder contains an inorganic pigment that has been surface-treated by fluorine treatment or silicone treatment, and the content ratio of the inorganic pigment is 60% by weight or more with respect to the powder-containing composition.
The contact angle with respect to pure water when the powder-containing composition is applied onto a PET film so as to be 2 g / m ² and the contact angle of the surface of the powder-containing composition after application is measured by the θ / 2 method. Is less than 135 °,
The liquid fixing composition contains at least a binder component and an organic solvent.
Beautiful nail charge set. The liquid fixing composition contains at least nitrocellulose as a binder component and contains.
The nail polish set according to claim 1 , which comprises the following (1) and (2) as the organic solvent of the liquid fixing composition.
(1) At least one selected from acetates, lactic acid esters, ketones and hydrocarbons.
(2) At least one alcohol selected from alcohols having 1 to 4 carbon atoms. The nail polish set according to claim 1 or 2 , which comprises a metal pigment that develops an interference color as a pigment component of the powder-containing composition. It is a powder-containing composition containing at least a design powder and a resin powder, and the design powder contains an inorganic pigment subjected to surface treatment of fluorine treatment or silicone treatment, and the content ratio of the inorganic pigment is It is 60% by weight or more with respect to the powder-containing composition, and this powder-containing composition is coated on a PET film so as to be 2 g / m ² , and the contact angle of the surface of the powder-containing composition after coating is 2 g / m 2. The powder-containing composition having a contact angle with pure water of 135 ° or less when measured by the θ / 2 method was directly applied to the surface of the nail.
Next, the liquid fixing composition containing at least the binder component and the organic solvent is impregnated into the powder-containing composition applied to the surface of the nail, or is applied so as to cover the powder-containing composition and solidified. A beautiful nail method that decorates the surface of the nail by letting it. The beautiful nail method according to claim 4 , wherein the powder-containing composition is applied to the nail surface by using a coating tool using a flexible porous material as a coating material.